Using 4 tubes, this 1924 receiver combines new technologies as an intermediate frequency stage that was already beginning to appear. Listening is via phone and battery power.
This circuit is from the LM101 manual. However, the configuration is valid for other operationals. The...
September 2016 - It can be obtained from Mouser Electronics a kit for developing wireless remote...
The operational amplifier of this circuit can be the 741. The circuit has very low consumption and can be...